L and r bundle branches Study guides, Class notes & Summaries

NURS 420- Quiz #1 Exam Questions With Complete Solutions a wide QRS is defined as - answergreater than .12 sec Conduction system of the heart - answerSA node, AV node, bundle of His, r and l bundle branches, and Purkinje fibers What is the P wave of an ECG? - answeratrial depolarization What is the QRS complex of an ECG? - answerventricular depolarization and atrial repolarization What is the T wave of an ECG? - answerventricular repolarization PR interval - answerdelay of AV node to al...

AMCA CERTIFICATION TEST - MEDICAL ASSISTING STUDY GUIDE - SET A with Complete Solutions (2023) 1) Which of the following is considered a parasitic infection? A. Lyme disease B. Rabies C. Ringworm D. Malaria - ANSWER-D. Malaria 2) Aspirin and acetaminophen are examples of: A. Analgesics and antipyretics B. Antitussives and decongestants C. Antihistamines and antiemetics D. Antidotes and antibiotics - ANSWER-A. Analgesics and antipyretics 3) Demerol 75 mg, IM every 4 hours, as ne...

NUR 227 Exam 1_ Detailed Review Questions and Answers 100% A+ Graded Excel Define arrhythmia/dysrhythmia - CORRECT ANSWER-Abnormal heart rhythm Atria ___________ blood - CORRECT ANSWER-Receive/Collect Ventricles __________ blood - CORRECT ANSWER-Pump out Purpose of valves - CORRECT ANSWER-Prevent back flow Keep blood moving in one direction Artery that gives the heart oxygen - CORRECT ANSWER-Coronary arteries Fuel for the conduction system of the heart Name the 4 major player...

Cardiopulmonary ECG Exam 1 Questions with 100% Correct Answers | Verified List 4 ways to detect abnormal rhythm - answerOscilloscope, palpating the pulse, pulse oximeter, portable ECG devices What is the path of electrical conduction through the heart? - answerSA node -> atrium -> AV node -> bundle of His -> R and L bundle branches -> Purkinje fibers -> ventricles Where is the SA node found? - answerupper portion of R atrium What is a normal SA node firing rate? - answer...

CSEP CEP moAutorythmic Self Exciteable, and repeatedly generate action potential eg. natural pace maker Cause of fundamental heart rhythm NOT by nerve impulses or hormones, rather electrical impluse SA Node Main natural pacemaker, faster conduction than autorhytmic fibres The Heart's electrical flow SA Node to AV Node - AV Node to AV Bundle - Bundle of HIS to L and R branches to Apex and Purkinje FIbres (which then cause systolic phase and ventricle contraction H...

Arrhythmias correct answers not a normal heart rhythm can be benign or life threatening result in a decreased Cardiac Output (CO) and decreased tissue perfusion unstable correct answers only treat if p.t is not ___ so have to have symptoms like diahorhesis, hypotension, pale automaticity correct answers ability of cardiac cells to initiate electrical impulse (heart beat): _____ contractility correct answers ability to shorten in response to electrical impulse: ______ conductivity c...

A decreased EPSS indicates what? - ANSWER-Decreased ejection fraction and dilated left ventricle. Poor systolic function will be indicated on m-mode of the aortic valve as what? - ANSWER-A triangular shaped box. What two things on mitral valve m-mode can indicate an increase in LVEDP? - ANSWER-Premature closure ("C" occurs prior to QRS) and "B" notching/bump. False MVP can be caused by? - ANSWER-Placing transducer too high on the chest. Normal "A" wave dip of the PV on m-mode i...

Electrical conduction system of the heart – ▪ Sinoatrial node of the heart "pacemaker" ▪ Atrioventricular (AV) node ▪ Bundle of His (R & L bundle branches) ▪ Perkinje fibers what are the 4 chambers of the heart? - right atrium, right ventricle, left atrium, left ventricle Pericardium - outermost layer of the heart Blood Flow through the heart – ▪ Vena Cava ▪ Right atrium ▪ Tricuspid valve ▪ Right Ventricle ▪ Pulmonic semilunar valve ▪ Pulmonic artery ▪ ...

Cardiac Telemetry Exam 56 Questions with Verified Answers Normal Conduction System - CORRECT ANSWER -SA Node = Primary Pacemaker of the Heart, rate of 60-100 bpm -Internodal Pathways = Pathways connecting SA Node and AV Node -AV Node = Backup pacemaker, rate of 40-60 bpm -Bundle of His = splits nerve fibers down Left & Right Sides, His-Purkinje is conduction system of heart -L & R Bundle Brancehs = lead to left & right of the myocardium -Purkinje Fibers / Network = ends of the muscle, la...

Cardiopulmonary ECG Exam 1 Questions with 100% Correct Answers | Verified List 4 ways to detect abnormal rhythm - answerOscilloscope, palpating the pulse, pulse oximeter, portable ECG devices What is the path of electrical conduction through the heart? - answerSA node -> atrium -> AV node -> bundle of His -> R and L bundle branches -> Purkinje fibers -> ventricles Where is the SA node found? - answerupper portion of R atrium What is a normal SA node firing rate? - answer...